Which design features are essential when selecting certified motorcycle riding boots for road safety?

1. Reinforced ankle cups (malleolus protectors), crush-resistant torsional sole shank, non-slip oil-resistant outsole, and shifter reinforcement pad
2. Breathable canvas material, loose elastic laces, and thin flexible rubber soles for running agility
3. High elevated fashion heels with steel spikes to dig into asphalt at intersections
4. Open-toe construction to facilitate foot cooling during summer traffic jams